# Deprecated symbols Review symbols that are no longer in active development, and their recommended replacements. ## Overview Although these symbols are available for use, Apple is no longer actively developing them, and may remove them in a future release. Apple recommends moving away from these symbols and using their indicated replacements instead. Check the individual symbol pages for the recommended replacements. ## Topics ### Deprecated methods [`func searchDisplayControllerWillBeginSearch(UISearchDisplayController)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayControllerWillBeginSearch(_:)) Tells the delegate that the controller is about to begin searching. [`func searchDisplayControllerDidBeginSearch(UISearchDisplayController)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayControllerDidBeginSearch(_:)) Tells the delegate that the controller has started searching. [`func searchDisplayControllerWillEndSearch(UISearchDisplayController)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayControllerWillEndSearch(_:)) Tells the delegate that the controller is about to end searching. [`func searchDisplayControllerDidEndSearch(UISearchDisplayController)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayControllerDidEndSearch(_:)) Tells the delegate that the controller has finished searching. [`func searchDisplayController(UISearchDisplayController, didLoadSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:didLoadSearchResultsTableView:)) Tells the delegate that the controller has loaded its table view. [`func searchDisplayController(UISearchDisplayController, willUnloadSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:willUnloadSearchResultsTableView:)) Tells the delegate that the controller is about to unload its table view. [`func searchDisplayController(UISearchDisplayController, willShowSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:willShowSearchResultsTableView:)) Tells the delegate that the controller is about to display its table view. [`func searchDisplayController(UISearchDisplayController, didShowSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:didShowSearchResultsTableView:)) Tells the delegate that the controller just displayed its table view. [`func searchDisplayController(UISearchDisplayController, willHideSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:willHideSearchResultsTableView:)) Tells the delegate that the controller is about to hide its table view. [`func searchDisplayController(UISearchDisplayController, didHideSearchResultsTableView: UITableView)`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:didHideSearchResultsTableView:)) Tells the delegate that the controller just hid its table view. [`func searchDisplayController(UISearchDisplayController, shouldReloadTableForSearch: String?) -> Bool`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:shouldReloadTableForSearch:)) Asks the delegate if the table view should be reloaded for a given search string. [`func searchDisplayController(UISearchDisplayController, shouldReloadTableForSearchScope: Int) -> Bool`](/documentation/UIKit/UISearchDisplayDelegate/searchDisplayController(_:shouldReloadTableForSearchScope:)) Asks the delegate if the table view should be reloaded for a given scope. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)